Extension Builders in Muswell Hill

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (17 reviews)

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Some of our top rated extension builders in Muswell Hill

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Rajput construction
No reviews yet
Extension Builder in Muswell Hill
We are experienced and reliable builders specialising in house extensions, structural alterations and refurbishments. We carry out all work to a high standard and in line with Building Regulations. We pride ourselves on being punctual, tidy and professional, with clear communication from start to finish. Fully insured and committed to delivering quality workmanship on every project.
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Ambrose Building Solutions ltd
New on MyBuilder
Extension Builder in Muswell Hill
Here at Ambrose Building Solutions we are a family-run building company with over 30 years of experience delivering high-quality building and renovation services. Known for our reliable workmanship, attention to detail, and friendly approach, we take pride in completing every project to the highest standard. From extensions and renovations to general building work, customer satisfaction is at the heart of everything we do.
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SUFASOLUTIONS Ltd
No reviews yet
Extension Builder in Muswell Hill
Hello from SUFASOLUTIONS LTD,We are a family running I would welcome the opportunity to meet with you, understand more about your work with our organization, and discuss how we can work together most effectively. Please feel free to contact me to arrange a meeting. I'm looking forward to meeting with you in the future. FREE QUOTE
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Right vision
New on MyBuilder
Extension Builder in Muswell Hill
My name is Jagdeep Singh, I have been fitting out kitchens, Media wall, offices, study room and bedrooms for the last 3 years.
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PBL Building
No reviews yet
Extension Builder in Muswell Hill
PBL Building is company with over 25 years of experience in the construction industry, we pride ourselves on customer satisfaction, cleanliness, reliability and punctuality. Always there for any customer enquiries at any time. PBL Building have completed many small to major properties developments and refurbs over the last 25 years plus with full customer satisfaction.
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Thiara
No reviews yet
Extension Builder in Muswell Hill
Be a good gud person and we do all kind of job such as loft extension door bathroom electric plumbing tiling kitchen everything
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Mamre & Partners LLP
No reviews yet
Extension Builder in Muswell Hill
Mamre & Partners LLP is a trusted construction and home improvement company based in London. We specialize in renovations, extensions, kitchen and bathroom installations, garden work, plastering, flooring, and more. Whether it's a full refurb or small upgrade, we deliver quality workmanship with professionalism and care. Free quotes available—get in touch today to discuss your project.
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Vj construction services
No reviews yet
Extension Builder in Muswell Hill
Hi I am a professional painter and decorator.I have been working as a painter and decorator for 20 years and I provide a very good service.My customers are very happy after I finish the job.So far I never had any complaints from any of my customers.I am very honest, trustworthy and reliable.
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Plumtree Building Solutions limited
No reviews yet
Extension Builder in Muswell Hill
My name is Sharanjit Singh, I have been working in construction for 15 years. I would be happy to discuss your requirements in further detail and provide a competitive quotation for you project.
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Brother’s786 trading
No reviews yet
Extension Builder in Muswell Hill
Hi, I’m Harman Singh ,a trusted and experienced window and door installer with a strong focus on quality workmanship, reliability, and customer satisfaction. With 4 years of hands-on experience in the trade, I specialise in the supply and installation of: • uPVC, aluminium, and composite doors • Casement, sash, bay, and tilt & turn windows • Energy-efficient and secure glazing solutions I’m fully qualified, FENSA-registered, and committed to meeting all relevant building regulations and British Standards. Whether you’re upgrading your home or tackling a new build, I’ll work with you every step of the way to ensure a smooth, professional finish — on time and on budget. 💬 Friendly advice, clear communication, and no hard selling — just honest, high-quality work you can trust. I look forward to helping you improve your home!
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BP RENOVATIONS AND CONSTRUCTION
No reviews yet
Extension Builder in Muswell Hill
Transform your bathroom into a space you’ll love with BP RENOVATIONS AND CONSTRUCTION.We’re a local team of expert bathroom fitters offering design, installation, and renovation services. Whether you want a modern upgrade or a complete makeover, we handle everything — from tiling and plumbing to lighting and finishes. We take pride in top-quality workmanship, clear communication, and outstanding customer service.
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Shedcraft & Co LTD
No reviews yet
Extension Builder in Muswell Hill
We specialise in designing and building high-quality granny annexes, garden rooms, and bespoke sheds. From concept to completion, we deliver fully insulated, durable, and beautifully crafted spaces tailored to your lifestyle. Whether you need extra accommodation, a home office, or a functional outdoor room, we create practical, stylish solutions built to last.
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Tp building
No reviews yet
Extension Builder in Muswell Hill
Quality work
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Amrit
No reviews yet
Extension Builder in Muswell Hill
Hi , my name is Amrit I have 15 years plastering experience me and my team will give our best
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Altus Construction Ltd.
No reviews yet
Extension Builder in Muswell Hill
Professional building contractor and master craftsmen, undertaking bespoke, high end project from small to medium in scale for both domestic and commercial clients.
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Tmbl carpentry ltd
No reviews yet
Extension Builder in Muswell Hill
Tmbl carpentry ltd. We are a small carpentry company specialising in kitchen fitting, loft conversion and extension and all aspects of home development. Our otherside of the business we do commercial fitouts. Office interiors, property maintenance, shop fitouts. We have a over 50 years of combined experience in construction and can provide a multi trade team to cater for all domestic and commercial projects.
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Top rated Extension Builders

Our Extension Builders in Muswell Hill, are rated 4 out of 5 based on 17 reviews from customers like you.

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What types of services are offered by local extension builders in Muswell Hill?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Muswell Hill for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Muswell Hill who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Muswell Hill extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Muswell Hill?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Muswell Hill will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Muswell Hill extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Muswell Hill home extension project is likely to cost.

Find extension builders in Muswell Hill with MyBuilder

Hiring the right extension builder in Muswell Hill with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Muswell Hill extension builders. Once your job is live, we’ll share it with home extension builders in Muswell Hill who can express their interest.

Step 2: Compare different extension builders in Muswell Hill

When you start receiving interest, review profiles of local Muswell Hill extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Muswell Hill extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Muswell Hill, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Muswell Hill extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Muswell Hill extension builder before hiring?

Before hiring an extension builder in Muswell Hill or extension building company in Muswell Hill, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Muswell Hill?

An extension builder in Muswell Hill should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Muswell Hill extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Muswell Hill?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Muswell Hill extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Muswell Hill extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Muswell Hill

Can an extension builder in Muswell Hill help with planning permission?

Yes, many extension builders in Muswell Hill can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Muswell Hill handle everything from design to construction?

Many Muswell Hill extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Muswell Hill help with materials and finishes?

Yes, most extension builders in Muswell Hill can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.